Updated
Robert W. Crown Memorial State Beach
Public beach · Alameda, California
Use caution — an official advisory is in effect
Use cautionUse caution — an official advisory is in effect: water temperature is 61°F, cool enough to cause cold-water shock on a sudden entry.
- Water temp 61°F (16°C)
Live data from NOAA buoy 46237 (19.8 mi away), as of Oct 29, 7:30 AM UTC.
- A Coastal Flood Advisory is in effect for San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay and other areas. — NWS San Francisco CA
Why, sources & official advisories
- Water temperature is 61°F, cool enough to cause cold-water shock on a sudden entry. — NOAA buoy 46237, as of Oct 29, 7:30 AM UTC
- No official beach advisory posted (California Water Boards — FHAB Reports checked).
Official advisories
Checked against California Water Boards — FHAB Reports — no advisory posted.
Get an email when it’s warm enough
It’s 61°F at Robert W. Crown Memorial State Beach now. We check the water daily and email you once when it reaches your temperature.
This scenic park features a biking trail, plus areas for picnicking, swimming & water sports.
What’s swimming here?
Fish recorded within 2 km: California Grunion, Tidepool Sculpin, Arrow Goby and 5 more species.
8 fish species in 18 public records within 2 km of Robert W. Crown Memorial State Beach since 2000.
- California Grunion Leuresthes tenuis7 records · 2025
- Tidepool Sculpin Oligocottus maculosus3 records · 2025
- Arrow Goby Clevelandia ios2 records · 2024
- Kelp Pipefish Syngnathus californiensis2 records · 2024
- 1 record · 2024
- California Halibut Paralichthys californicus1 record · 2024
- 1 record · 2023
- Cheekspot Goby Ilypnus gilberti1 record · 2001
Non-native: the USGS Nonindigenous Aquatic Species database lists the species as introduced to the San Francisco Bay watershed.
Caught one? Make it a card.Snap your catch in Reelio and collect every species. Free on iPhone.Data: GBIF.org occurrence records, CC0 and CC BY only (iNaturalist research-grade observations, GBIF dataset). Common names: USGS NAS; GBIF.org (Integrated Taxonomic Information System (ITIS), The IUCN Red List of Threatened Species). Non-native flags: USGS NAS. These are sightings and specimens people reported, not a survey: a fish missing from the list may still live here.
Things to Do Near Robert W. Crown Memorial State Beach
Top-rated tours and experiences around Alameda, powered by Viator — free cancellation on most.
Queen Mary Glory Days Historical Tour
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Ultimate Monterey Bay, Cannery Row and Pacific Grove GoCar Tour
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Frequently asked questions
- Where is Robert W. Crown Memorial State Beach?
- Robert W. Crown Memorial State Beach is a public beach in Alameda, California.
- What is the water temperature at Robert W. Crown Memorial State Beach?
- As of October 29, 2026, the water temperature at Robert W. Crown Memorial State Beach in Alameda, California is 61°F (16°C), measured by NOAA buoy 46237, 19.8 miles away.
- Can you swim at Robert W. Crown Memorial State Beach?
- Use caution — an official advisory is in effect: water temperature is 61°F, cool enough to cause cold-water shock on a sudden entry. Checked October 29, 2026.
- How is Robert W. Crown Memorial State Beach rated?
- Robert W. Crown Memorial State Beach in Alameda, California has an average visitor rating of 4.5 out of 5, based on 4543 reviews.
- What amenities does Robert W. Crown Memorial State Beach have?
- Visitor-listed amenities at Robert W. Crown Memorial State Beach include pet-friendly.
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Location & Contact
🏖️ Best times & visiting tips
- ›Arrive early for best parking and beach spot selection
- ›Check for lifeguard schedules and swim only in designated areas
- ›Bring reef-safe sunscreen to protect marine life
- ›Watch for beach flags indicating water conditions
Features & amenities
Highlights
Accessibility
Amenities
Family & Children
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